/** closeFile Close the current file, but keep its path so we can easily open it again. */
public void closeFile() throws NexusException {
try {
if (m_nfFile != null) {
m_nfFile.close();
m_nfFile.finalize();
}
m_nfFile = null;
} catch (Throwable t) {
if (g_mutex.isLocked() && g_curFile.equals(m_sFilePath)) {
if (g_mutex.getHoldCount() - 1 == 0) {
g_curFile = "";
}
g_mutex.unlock();
}
if (t instanceof NexusException) {
throw (NexusException) t;
} else {
t.printStackTrace();
return;
}
}
if (g_mutex.isLocked() && g_curFile.equals(m_sFilePath)) {
if (g_mutex.getHoldCount() - 1 == 0) {
g_curFile = "";
}
g_mutex.unlock();
}
}
protected void openFile(String sFilePath, int iAccessMode) throws NexusException {
boolean openFile = false;
// Try to open file
m_sFilePath = sFilePath;
g_mutex.lock();
g_curFile = m_sFilePath;
try {
// No file yet opened
if (null == m_nfFile) {
openFile = true;
} else {
// Check file isn't opened yet
String sCurFile = "";
try {
sCurFile = m_nfFile.inquirefile();
} catch (NexusException ne) {
openFile = true;
}
// Check file opened is the good one and have correct write
// access
if (!sFilePath.equals(sCurFile) || iAccessMode != m_iAccessMode) {
m_nfFile.close();
openFile = true;
}
}
// open the file if needed
if (openFile) {
open(sFilePath, iAccessMode);
m_iAccessMode = iAccessMode;
}
} catch (NexusException e) {
m_nfFile = null;
m_sFilePath = "";
g_curFile = "";
g_mutex.unlock();
throw e;
}
}